Yaskawa iQpump Micro Quick Start - Manual (Page 82)

Digital Operator
Display
Alarm Name
bUS
Option Communication Error
• The connection was lost after establishing initial communication.
• Only detected when the run command frequency reference is assigned to an option card.
CALL
Serial Communication Transmission Error
Communication has not yet been established.
CE
MEMOBUS/Modbus Communication Error
Control data was not received for the CE detection time set to H5-09.
CrST Cannot Reset
CyC
MECHATROLINK Comm. Cycle Setting Error
Comm. Cycle Setting Error was detected.
dnE Drive Disabled
E5
SI-T3 Watchdog Timer Error
The watchdog timed out.
EF
Forward/Reverse Run Command Input Error
Both forward run and reverse run closed simultaneously for longer than 0.5 s.
EF0
Option Card External Fault
An external fault condition is present.
EF1
Pump Fault (input terminal S1)
External fault at multi-function input terminal S1.
EF2
Pump Fault (input terminal S2)
External fault at multi-function input terminal S2.
EF3
Pump Fault (input terminal S3)
External fault at multi-function input terminal S3.
EF4
Pump Fault (input terminal S4)
External fault at multi-function input terminal S4.
EF5
Pump Fault (input terminal S5)
External fault at multi-function input terminal S5.
EF6
Pump Fault (input terminal S6)
External fault at multi-function input terminal S6.
EF7
Pump Fault (input terminal S7)
External fault at multi-function input terminal S7.
EoF Emergency Override Forward Run
Eor Emergency Override Reverse Run
FAn Internal Cooling Fan Error
Hbb
Safe Disable Signal Input
Both Safe Disable Input channels are open.
HbbF
Safe Disable Signal Input
One Safe Disable channel is open while the other channel is closed.
Feedback Loss Go To
Freq. b5-13
(FLGT)
PI Feedback Loss
The drive will run at the speed set in b5-13, Feedback Loss Goto Frequency.
Feedback Loss Wire
Break
(FDB-L)
PI Feedback Loss
The analog input programmed for PID feedback has gone above 21 mA or fallen below 3 mA.
Freq. Ref Pump Min
(P1-06)
(PFREF)
Minimum Pump Frequency Reference
Drive frequency reference is set lower than P1-06, Minimum Pump Frequency.
Freq. Ref Thrust (P4-12)
(PTHRT)
Thrust Frequency Reference
The fixed frequency reference is set to a value lower than the P4-12, Thrust Frequency, setting.
HCA
Current Alarm
Drive current exceeded overcurrent warning level (150% of the rated current).
i.7 Troubleshooting
82 YASKAWA TOEP YAIQPM 02B YASKAWA AC Drive - iQpump Micro Quick Start Guide